I don't understand what I am supposed to do to find what I need to do what the question is asking for. List the following functions in order of the greatest rate of change to the least rate of change as x approaches infinity.

f(x)= 2x

r(x)= x3

s(x)= 3x4

Answer choices:

f(x),s(x),r(x)
s(x),r(x),f(x)
s(x),f(x),r(x)
f(x),r(x),s(x)

According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of california was approximately two times the population of florida. b. the population of florida was approximately twenty times the population of california. c. the population of florida was approximately two times the population of california. d. the population of california was approximately twenty times the population of florida.